Iron Streak- Main muscle
- Biceps
- Also works
- Forearms
- Equipment
- Cable machine
How to do it
- Face away from a low pulley, handle in one hand, and step forward so your arm is pulled behind you.
- Keep your elbow back and curl the handle up toward your shoulder.
- Lower slowly until your arm is straight behind you again.
Common mistakes
- Letting your elbow drift forward as you curl.
- Twisting your torso.
Know what to lift next
Iron Streak puts lifts like the Bayesian Curl into a weekly plan built around your goal, schedule and equipment. Every set shows the weight and reps to aim for, and your streak keeps score.